TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 816 of 985

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-68.

BLACKOUT LIGHT ASSEMBLY REMOVAL/INSTALLATION (CONT).

NOTE

There are two types of blackout lights. Model A

has three screws securing door. Model B has four

screws. Removal and installation procedures are

the same. Not all parts are interchangeable.

a. Removal.

(1)

Remove wire (1) from back of blackout

light assembly (2).

(2)

Remove nut (3), lockwasher (4), and

blackout light assembly (2) from

support bracket (5).

(3)

Remove lockwasher (6) and washer (7)

from blackout light assembly (2).

b. Installation.

(1)

Install washer (7) and lockwasher (6) on

blackout light assembly (2).

(2)

Install blackout light assembly (2) on

support bracket (5).

(3)

Install lockwasher (4) and nut (3) to

support bracket (5).

(4)

Connect wire (1) on back of blackout

light assembly (2).

c.

Follow-on Maintenance.

(1)

Connect batteries (para 7-91).

(2)

Check operation of blackout light (TM 9-2320-279-10).

END OF TASK

7-69.

BLACKOUT LIGHT LAMP REMOVAL/INSTALLATION.

This task covers:

a. Removal

c. Follow-on Maintenance

b. Installation

INITIAL SETUP

Models

All

Test Equipment

None

Special Tools

None

References

None

Equipment Condition

TM or Para

Condition Description

TM 9-2320-279-10 Shut off engine.

Supplies

None

Personnel Required

MOS 63S, Heavy wheel vehicle mechanic

Special Environmental Conditions

None

General Safety Instructions

None

7-242

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